cleanup

Author: hauner

src/main/kotlin/io/openapiprocessor/core/converter/wrapper/MultiDataTypeWrapper.kt

@@ -11,7 +11,6 @@ import io.openapiprocessor.core.converter.mapping.*
 import io.openapiprocessor.core.model.datatypes.ArrayDataType
 import io.openapiprocessor.core.model.datatypes.DataType
 import io.openapiprocessor.core.model.datatypes.MappedCollectionDataType
-import io.openapiprocessor.core.model.datatypes.NoneDataType
 
 /**
  * replaces a collection wrapper with the 'multi' data mapping.